diff --git a/sakai-js/package.json b/sakai-js/package.json
index 6c8a68d4..8c6bc6dd 100644
--- a/sakai-js/package.json
+++ b/sakai-js/package.json
@@ -15,7 +15,7 @@
         "next": "13.2.3",
         "primeflex": "3.3.0",
         "primeicons": "^6.0.1",
-        "primereact": "9.2.2",
+        "primereact": "9.2.3",
         "react": "18.2.0",
         "react-dom": "18.2.0"
     },
diff --git a/sakai-ts/layout/AppConfig.tsx b/sakai-ts/layout/AppConfig.tsx
index e4026a8b..f6181969 100644
--- a/sakai-ts/layout/AppConfig.tsx
+++ b/sakai-ts/layout/AppConfig.tsx
@@ -37,7 +37,7 @@ const AppConfig = (props: AppConfigProps) => {
     };
 
     const changeTheme = (theme: string, colorScheme: string) => {
-        PrimeReact.changeTheme(layoutConfig.theme, theme, 'theme-css', () => {
+        PrimeReact.changeTheme?.(layoutConfig.theme, theme, 'theme-css', () => {
             setLayoutConfig((prevState: LayoutConfig) => ({ ...prevState, theme, colorScheme }));
         });
     };
diff --git a/sakai-ts/package-lock.json b/sakai-ts/package-lock.json
index c6808ece..482f2533 100644
--- a/sakai-ts/package-lock.json
+++ b/sakai-ts/package-lock.json
@@ -18,7 +18,7 @@
                 "next": "13.2.3",
                 "primeflex": "3.3.0",
                 "primeicons": "^6.0.1",
-                "primereact": "9.2.2",
+                "primereact": "9.2.3",
                 "react": "18.2.0",
                 "react-dom": "18.2.0",
                 "typescript": "5.0.4"
@@ -2876,9 +2876,9 @@
             "integrity": "sha512-KDeO94CbWI4pKsPnYpA1FPjo79EsY9I+M8ywoPBSf9XMXoe/0crjbUK7jcQEDHuc0ZMRIZsxH3TYLv4TUtHmAA=="
         },
         "node_modules/primereact": {
-            "version": "9.2.2",
-            "resolved": "https://registry.npmjs.org/primereact/-/primereact-9.2.2.tgz",
-            "integrity": "sha512-GGkxLHOdQot5DYW9Z7vTPPaDwzjvnderzLWAXda220teNScAJNtXCIqR3QESi4c9OaNbGD4IlBlhXr++z8fjsw==",
+            "version": "9.2.3",
+            "resolved": "https://registry.npmjs.org/primereact/-/primereact-9.2.3.tgz",
+            "integrity": "sha512-LIkVpgH2EZOn0CViZ/vFxBLWgK/ULYYYNTFch6CUvvJ2HUDnn3sAxII7ltblwEmT8hryCiEHDU/AiG8cqXVmNA==",
             "dependencies": {
                 "@types/react-transition-group": "^4.4.1",
                 "react-transition-group": "^4.4.1"
diff --git a/sakai-ts/package.json b/sakai-ts/package.json
index 55c64f14..b9b85867 100644
--- a/sakai-ts/package.json
+++ b/sakai-ts/package.json
@@ -21,7 +21,7 @@
         "chart.js": "4.2.1",
         "primeflex": "3.3.0",
         "primeicons": "^6.0.1",
-        "primereact": "9.2.2",
+        "primereact": "9.2.3",
         "typescript": "5.0.4"
     },
     "devDependencies": {